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Diffstat (limited to 'ANDROID_3.4.5/drivers/mfd/ab8500-core.c')
-rw-r--r--ANDROID_3.4.5/drivers/mfd/ab8500-core.c1177
1 files changed, 0 insertions, 1177 deletions
diff --git a/ANDROID_3.4.5/drivers/mfd/ab8500-core.c b/ANDROID_3.4.5/drivers/mfd/ab8500-core.c
deleted file mode 100644
index 1f08704f..00000000
--- a/ANDROID_3.4.5/drivers/mfd/ab8500-core.c
+++ /dev/null
@@ -1,1177 +0,0 @@
-/*
- * Copyright (C) ST-Ericsson SA 2010
- *
- * License Terms: GNU General Public License v2
- * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
- * Author: Rabin Vincent <rabin.vincent@stericsson.com>
- * Author: Mattias Wallin <mattias.wallin@stericsson.com>
- */
-
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/mfd/core.h>
-#include <linux/mfd/abx500.h>
-#include <linux/mfd/abx500/ab8500.h>
-#include <linux/regulator/ab8500.h>
-
-/*
- * Interrupt register offsets
- * Bank : 0x0E
- */
-#define AB8500_IT_SOURCE1_REG 0x00
-#define AB8500_IT_SOURCE2_REG 0x01
-#define AB8500_IT_SOURCE3_REG 0x02
-#define AB8500_IT_SOURCE4_REG 0x03
-#define AB8500_IT_SOURCE5_REG 0x04
-#define AB8500_IT_SOURCE6_REG 0x05
-#define AB8500_IT_SOURCE7_REG 0x06
-#define AB8500_IT_SOURCE8_REG 0x07
-#define AB9540_IT_SOURCE13_REG 0x0C
-#define AB8500_IT_SOURCE19_REG 0x12
-#define AB8500_IT_SOURCE20_REG 0x13
-#define AB8500_IT_SOURCE21_REG 0x14
-#define AB8500_IT_SOURCE22_REG 0x15
-#define AB8500_IT_SOURCE23_REG 0x16
-#define AB8500_IT_SOURCE24_REG 0x17
-
-/*
- * latch registers
- */
-#define AB8500_IT_LATCH1_REG 0x20
-#define AB8500_IT_LATCH2_REG 0x21
-#define AB8500_IT_LATCH3_REG 0x22
-#define AB8500_IT_LATCH4_REG 0x23
-#define AB8500_IT_LATCH5_REG 0x24
-#define AB8500_IT_LATCH6_REG 0x25
-#define AB8500_IT_LATCH7_REG 0x26
-#define AB8500_IT_LATCH8_REG 0x27
-#define AB8500_IT_LATCH9_REG 0x28
-#define AB8500_IT_LATCH10_REG 0x29
-#define AB8500_IT_LATCH12_REG 0x2B
-#define AB9540_IT_LATCH13_REG 0x2C
-#define AB8500_IT_LATCH19_REG 0x32
-#define AB8500_IT_LATCH20_REG 0x33
-#define AB8500_IT_LATCH21_REG 0x34
-#define AB8500_IT_LATCH22_REG 0x35
-#define AB8500_IT_LATCH23_REG 0x36
-#define AB8500_IT_LATCH24_REG 0x37
-
-/*
- * mask registers
- */
-
-#define AB8500_IT_MASK1_REG 0x40
-#define AB8500_IT_MASK2_REG 0x41
-#define AB8500_IT_MASK3_REG 0x42
-#define AB8500_IT_MASK4_REG 0x43
-#define AB8500_IT_MASK5_REG 0x44
-#define AB8500_IT_MASK6_REG 0x45
-#define AB8500_IT_MASK7_REG 0x46
-#define AB8500_IT_MASK8_REG 0x47
-#define AB8500_IT_MASK9_REG 0x48
-#define AB8500_IT_MASK10_REG 0x49
-#define AB8500_IT_MASK11_REG 0x4A
-#define AB8500_IT_MASK12_REG 0x4B
-#define AB8500_IT_MASK13_REG 0x4C
-#define AB8500_IT_MASK14_REG 0x4D
-#define AB8500_IT_MASK15_REG 0x4E
-#define AB8500_IT_MASK16_REG 0x4F
-#define AB8500_IT_MASK17_REG 0x50
-#define AB8500_IT_MASK18_REG 0x51
-#define AB8500_IT_MASK19_REG 0x52
-#define AB8500_IT_MASK20_REG 0x53
-#define AB8500_IT_MASK21_REG 0x54
-#define AB8500_IT_MASK22_REG 0x55
-#define AB8500_IT_MASK23_REG 0x56
-#define AB8500_IT_MASK24_REG 0x57
-
-#define AB8500_REV_REG 0x80
-#define AB8500_IC_NAME_REG 0x82
-#define AB8500_SWITCH_OFF_STATUS 0x00
-
-#define AB8500_TURN_ON_STATUS 0x00
-
-#define AB9540_MODEM_CTRL2_REG 0x23
-#define AB9540_MODEM_CTRL2_SWDBBRSTN_BIT BIT(2)
-
-/*
- * Map interrupt numbers to the LATCH and MASK register offsets, Interrupt
- * numbers are indexed into this array with (num / 8). The interupts are
- * defined in linux/mfd/ab8500.h
- *
- * This is one off from the register names, i.e. AB8500_IT_MASK1_REG is at
- * offset 0.
- */
-/* AB8500 support */
-static const int ab8500_irq_regoffset[AB8500_NUM_IRQ_REGS] = {
- 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21,
-};
-
-/* AB9540 support */
-static const int ab9540_irq_regoffset[AB9540_NUM_IRQ_REGS] = {
- 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21, 12, 13, 24,
-};
-
-static const char ab8500_version_str[][7] = {
- [AB8500_VERSION_AB8500] = "AB8500",
- [AB8500_VERSION_AB8505] = "AB8505",
- [AB8500_VERSION_AB9540] = "AB9540",
- [AB8500_VERSION_AB8540] = "AB8540",
-};
-
-static int ab8500_get_chip_id(struct device *dev)
-{
- struct ab8500 *ab8500;
-
- if (!dev)
- return -EINVAL;
- ab8500 = dev_get_drvdata(dev->parent);
- return ab8500 ? (int)ab8500->chip_id : -EINVAL;
-}
-
-static int set_register_interruptible(struct ab8500 *ab8500, u8 bank,
- u8 reg, u8 data)
-{
- int ret;
- /*
- * Put the u8 bank and u8 register together into a an u16.
- * The bank on higher 8 bits and register in lower 8 bits.
- * */
- u16 addr = ((u16)bank) << 8 | reg;
-
- dev_vdbg(ab8500->dev, "wr: addr %#x <= %#x\n", addr, data);
-
- mutex_lock(&ab8500->lock);
-
- ret = ab8500->write(ab8500, addr, data);
- if (ret < 0)
- dev_err(ab8500->dev, "failed to write reg %#x: %d\n",
- addr, ret);
- mutex_unlock(&ab8500->lock);
-
- return ret;
-}
-
-static int ab8500_set_register(struct device *dev, u8 bank,
- u8 reg, u8 value)
-{
- struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
-
- return set_register_interruptible(ab8500, bank, reg, value);
-}
-
-static int get_register_interruptible(struct ab8500 *ab8500, u8 bank,
- u8 reg, u8 *value)
-{
- int ret;
- /* put the u8 bank and u8 reg together into a an u16.
- * bank on higher 8 bits and reg in lower */
- u16 addr = ((u16)bank) << 8 | reg;
-
- mutex_lock(&ab8500->lock);
-
- ret = ab8500->read(ab8500, addr);
- if (ret < 0)
- dev_err(ab8500->dev, "failed to read reg %#x: %d\n",
- addr, ret);
- else
- *value = ret;
-
- mutex_unlock(&ab8500->lock);
- dev_vdbg(ab8500->dev, "rd: addr %#x => data %#x\n", addr, ret);
-
- return ret;
-}
-
-static int ab8500_get_register(struct device *dev, u8 bank,
- u8 reg, u8 *value)
-{
- struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
-
- return get_register_interruptible(ab8500, bank, reg, value);
-}
-
-static int mask_and_set_register_interruptible(struct ab8500 *ab8500, u8 bank,
- u8 reg, u8 bitmask, u8 bitvalues)
-{
- int ret;
- /* put the u8 bank and u8 reg together into a an u16.
- * bank on higher 8 bits and reg in lower */
- u16 addr = ((u16)bank) << 8 | reg;
-
- mutex_lock(&ab8500->lock);
-
- if (ab8500->write_masked == NULL) {
- u8 data;
-
- ret = ab8500->read(ab8500, addr);
- if (ret < 0) {
- dev_err(ab8500->dev, "failed to read reg %#x: %d\n",
- addr, ret);
- goto out;
- }
-
- data = (u8)ret;
- data = (~bitmask & data) | (bitmask & bitvalues);
-
- ret = ab8500->write(ab8500, addr, data);
- if (ret < 0)
- dev_err(ab8500->dev, "failed to write reg %#x: %d\n",
- addr, ret);
-
- dev_vdbg(ab8500->dev, "mask: addr %#x => data %#x\n", addr,
- data);
- goto out;
- }
- ret = ab8500->write_masked(ab8500, addr, bitmask, bitvalues);
- if (ret < 0)
- dev_err(ab8500->dev, "failed to modify reg %#x: %d\n", addr,
- ret);
-out:
- mutex_unlock(&ab8500->lock);
- return ret;
-}
-
-static int ab8500_mask_and_set_register(struct device *dev,
- u8 bank, u8 reg, u8 bitmask, u8 bitvalues)
-{
- struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
-
- return mask_and_set_register_interruptible(ab8500, bank, reg,
- bitmask, bitvalues);
-
-}
-
-static struct abx500_ops ab8500_ops = {
- .get_chip_id = ab8500_get_chip_id,
- .get_register = ab8500_get_register,
- .set_register = ab8500_set_register,
- .get_register_page = NULL,
- .set_register_page = NULL,
- .mask_and_set_register = ab8500_mask_and_set_register,
- .event_registers_startup_state_get = NULL,
- .startup_irq_enabled = NULL,
-};
-
-static void ab8500_irq_lock(struct irq_data *data)
-{
- struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
-
- mutex_lock(&ab8500->irq_lock);
-}
-
-static void ab8500_irq_sync_unlock(struct irq_data *data)
-{
- struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
- int i;
-
- for (i = 0; i < ab8500->mask_size; i++) {
- u8 old = ab8500->oldmask[i];
- u8 new = ab8500->mask[i];
- int reg;
-
- if (new == old)
- continue;
-
- /*
- * Interrupt register 12 doesn't exist prior to AB8500 version
- * 2.0
- */
- if (ab8500->irq_reg_offset[i] == 11 &&
- is_ab8500_1p1_or_earlier(ab8500))
- continue;
-
- ab8500->oldmask[i] = new;
-
- reg = AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i];
- set_register_interruptible(ab8500, AB8500_INTERRUPT, reg, new);
- }
-
- mutex_unlock(&ab8500->irq_lock);
-}
-
-static void ab8500_irq_mask(struct irq_data *data)
-{
- struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
- int offset = data->irq - ab8500->irq_base;
- int index = offset / 8;
- int mask = 1 << (offset % 8);
-
- ab8500->mask[index] |= mask;
-}
-
-static void ab8500_irq_unmask(struct irq_data *data)
-{
- struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
- int offset = data->irq - ab8500->irq_base;
- int index = offset / 8;
- int mask = 1 << (offset % 8);
-
- ab8500->mask[index] &= ~mask;
-}
-
-static struct irq_chip ab8500_irq_chip = {
- .name = "ab8500",
- .irq_bus_lock = ab8500_irq_lock,
- .irq_bus_sync_unlock = ab8500_irq_sync_unlock,
- .irq_mask = ab8500_irq_mask,
- .irq_disable = ab8500_irq_mask,
- .irq_unmask = ab8500_irq_unmask,
-};
-
-static irqreturn_t ab8500_irq(int irq, void *dev)
-{
- struct ab8500 *ab8500 = dev;
- int i;
-
- dev_vdbg(ab8500->dev, "interrupt\n");
-
- for (i = 0; i < ab8500->mask_size; i++) {
- int regoffset = ab8500->irq_reg_offset[i];
- int status;
- u8 value;
-
- /*
- * Interrupt register 12 doesn't exist prior to AB8500 version
- * 2.0
- */
- if (regoffset == 11 && is_ab8500_1p1_or_earlier(ab8500))
- continue;
-
- status = get_register_interruptible(ab8500, AB8500_INTERRUPT,
- AB8500_IT_LATCH1_REG + regoffset, &value);
- if (status < 0 || value == 0)
- continue;
-
- do {
- int bit = __ffs(value);
- int line = i * 8 + bit;
-
- handle_nested_irq(ab8500->irq_base + line);
- value &= ~(1 << bit);
- } while (value);
- }
-
- return IRQ_HANDLED;
-}
-
-static int ab8500_irq_init(struct ab8500 *ab8500)
-{
- int base = ab8500->irq_base;
- int irq;
- int num_irqs;
-
- if (is_ab9540(ab8500))
- num_irqs = AB9540_NR_IRQS;
- else if (is_ab8505(ab8500))
- num_irqs = AB8505_NR_IRQS;
- else
- num_irqs = AB8500_NR_IRQS;
-
- for (irq = base; irq < base + num_irqs; irq++) {
- irq_set_chip_data(irq, ab8500);
- irq_set_chip_and_handler(irq, &ab8500_irq_chip,
- handle_simple_irq);
- irq_set_nested_thread(irq, 1);
-#ifdef CONFIG_ARM
- set_irq_flags(irq, IRQF_VALID);
-#else
- irq_set_noprobe(irq);
-#endif
- }
-
- return 0;
-}
-
-static void ab8500_irq_remove(struct ab8500 *ab8500)
-{
- int base = ab8500->irq_base;
- int irq;
- int num_irqs;
-
- if (is_ab9540(ab8500))
- num_irqs = AB9540_NR_IRQS;
- else if (is_ab8505(ab8500))
- num_irqs = AB8505_NR_IRQS;
- else
- num_irqs = AB8500_NR_IRQS;
-
- for (irq = base; irq < base + num_irqs; irq++) {
-#ifdef CONFIG_ARM
- set_irq_flags(irq, 0);
-#endif
- irq_set_chip_and_handler(irq, NULL, NULL);
- irq_set_chip_data(irq, NULL);
- }
-}
-
-/* AB8500 GPIO Resources */
-static struct resource __devinitdata ab8500_gpio_resources[] = {
- {
- .name = "GPIO_INT6",
- .start = AB8500_INT_GPIO6R,
- .end = AB8500_INT_GPIO41F,
- .flags = IORESOURCE_IRQ,
- }
-};
-
-/* AB9540 GPIO Resources */
-static struct resource __devinitdata ab9540_gpio_resources[] = {
- {
- .name = "GPIO_INT6",
- .start = AB8500_INT_GPIO6R,
- .end = AB8500_INT_GPIO41F,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "GPIO_INT14",
- .start = AB9540_INT_GPIO50R,
- .end = AB9540_INT_GPIO54R,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "GPIO_INT15",
- .start = AB9540_INT_GPIO50F,
- .end = AB9540_INT_GPIO54F,
- .flags = IORESOURCE_IRQ,
- }
-};
-
-static struct resource __devinitdata ab8500_gpadc_resources[] = {
- {
- .name = "HW_CONV_END",
- .start = AB8500_INT_GP_HW_ADC_CONV_END,
- .end = AB8500_INT_GP_HW_ADC_CONV_END,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "SW_CONV_END",
- .start = AB8500_INT_GP_SW_ADC_CONV_END,
- .end = AB8500_INT_GP_SW_ADC_CONV_END,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct resource __devinitdata ab8500_rtc_resources[] = {
- {
- .name = "60S",
- .start = AB8500_INT_RTC_60S,
- .end = AB8500_INT_RTC_60S,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "ALARM",
- .start = AB8500_INT_RTC_ALARM,
- .end = AB8500_INT_RTC_ALARM,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct resource __devinitdata ab8500_poweronkey_db_resources[] = {
- {
- .name = "ONKEY_DBF",
- .start = AB8500_INT_PON_KEY1DB_F,
- .end = AB8500_INT_PON_KEY1DB_F,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "ONKEY_DBR",
- .start = AB8500_INT_PON_KEY1DB_R,
- .end = AB8500_INT_PON_KEY1DB_R,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct resource __devinitdata ab8500_av_acc_detect_resources[] = {
- {
- .name = "ACC_DETECT_1DB_F",
- .start = AB8500_INT_ACC_DETECT_1DB_F,
- .end = AB8500_INT_ACC_DETECT_1DB_F,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "ACC_DETECT_1DB_R",
- .start = AB8500_INT_ACC_DETECT_1DB_R,
- .end = AB8500_INT_ACC_DETECT_1DB_R,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "ACC_DETECT_21DB_F",
- .start = AB8500_INT_ACC_DETECT_21DB_F,
- .end = AB8500_INT_ACC_DETECT_21DB_F,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "ACC_DETECT_21DB_R",
- .start = AB8500_INT_ACC_DETECT_21DB_R,
- .end = AB8500_INT_ACC_DETECT_21DB_R,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "ACC_DETECT_22DB_F",
- .start = AB8500_INT_ACC_DETECT_22DB_F,
- .end = AB8500_INT_ACC_DETECT_22DB_F,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "ACC_DETECT_22DB_R",
- .start = AB8500_INT_ACC_DETECT_22DB_R,
- .end = AB8500_INT_ACC_DETECT_22DB_R,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct resource __devinitdata ab8500_charger_resources[] = {
- {
- .name = "MAIN_CH_UNPLUG_DET",
- .start = AB8500_INT_MAIN_CH_UNPLUG_DET,
- .end = AB8500_INT_MAIN_CH_UNPLUG_DET,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "MAIN_CHARGE_PLUG_DET",
- .start = AB8500_INT_MAIN_CH_PLUG_DET,
- .end = AB8500_INT_MAIN_CH_PLUG_DET,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "VBUS_DET_R",
- .start = AB8500_INT_VBUS_DET_R,
- .end = AB8500_INT_VBUS_DET_R,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "VBUS_DET_F",
- .start = AB8500_INT_VBUS_DET_F,
- .end = AB8500_INT_VBUS_DET_F,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "USB_LINK_STATUS",
- .start = AB8500_INT_USB_LINK_STATUS,
- .end = AB8500_INT_USB_LINK_STATUS,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "VBUS_OVV",
- .start = AB8500_INT_VBUS_OVV,
- .end = AB8500_INT_VBUS_OVV,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "USB_CH_TH_PROT_R",
- .start = AB8500_INT_USB_CH_TH_PROT_R,
- .end = AB8500_INT_USB_CH_TH_PROT_R,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "USB_CH_TH_PROT_F",
- .start = AB8500_INT_USB_CH_TH_PROT_F,
- .end = AB8500_INT_USB_CH_TH_PROT_F,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "MAIN_EXT_CH_NOT_OK",
- .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
- .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "MAIN_CH_TH_PROT_R",
- .start = AB8500_INT_MAIN_CH_TH_PROT_R,
- .end = AB8500_INT_MAIN_CH_TH_PROT_R,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "MAIN_CH_TH_PROT_F",
- .start = AB8500_INT_MAIN_CH_TH_PROT_F,
- .end = AB8500_INT_MAIN_CH_TH_PROT_F,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "USB_CHARGER_NOT_OKR",
- .start = AB8500_INT_USB_CHARGER_NOT_OKR,
- .end = AB8500_INT_USB_CHARGER_NOT_OKR,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "CH_WD_EXP",
- .start = AB8500_INT_CH_WD_EXP,
- .end = AB8500_INT_CH_WD_EXP,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct resource __devinitdata ab8500_btemp_resources[] = {
- {
- .name = "BAT_CTRL_INDB",
- .start = AB8500_INT_BAT_CTRL_INDB,
- .end = AB8500_INT_BAT_CTRL_INDB,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "BTEMP_LOW",
- .start = AB8500_INT_BTEMP_LOW,
- .end = AB8500_INT_BTEMP_LOW,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "BTEMP_HIGH",
- .start = AB8500_INT_BTEMP_HIGH,
- .end = AB8500_INT_BTEMP_HIGH,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "BTEMP_LOW_MEDIUM",
- .start = AB8500_INT_BTEMP_LOW_MEDIUM,
- .end = AB8500_INT_BTEMP_LOW_MEDIUM,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "BTEMP_MEDIUM_HIGH",
- .start = AB8500_INT_BTEMP_MEDIUM_HIGH,
- .end = AB8500_INT_BTEMP_MEDIUM_HIGH,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct resource __devinitdata ab8500_fg_resources[] = {
- {
- .name = "NCONV_ACCU",
- .start = AB8500_INT_CCN_CONV_ACC,
- .end = AB8500_INT_CCN_CONV_ACC,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "BATT_OVV",
- .start = AB8500_INT_BATT_OVV,
- .end = AB8500_INT_BATT_OVV,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "LOW_BAT_F",
- .start = AB8500_INT_LOW_BAT_F,
- .end = AB8500_INT_LOW_BAT_F,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "LOW_BAT_R",
- .start = AB8500_INT_LOW_BAT_R,
- .end = AB8500_INT_LOW_BAT_R,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "CC_INT_CALIB",
- .start = AB8500_INT_CC_INT_CALIB,
- .end = AB8500_INT_CC_INT_CALIB,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "CCEOC",
- .start = AB8500_INT_CCEOC,
- .end = AB8500_INT_CCEOC,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct resource __devinitdata ab8500_chargalg_resources[] = {};
-
-#ifdef CONFIG_DEBUG_FS
-static struct resource __devinitdata ab8500_debug_resources[] = {
- {
- .name = "IRQ_FIRST",
- .start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
- .end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "IRQ_LAST",
- .start = AB8500_INT_XTAL32K_KO,
- .end = AB8500_INT_XTAL32K_KO,
- .flags = IORESOURCE_IRQ,
- },
-};
-#endif
-
-static struct resource __devinitdata ab8500_usb_resources[] = {
- {
- .name = "ID_WAKEUP_R",
- .start = AB8500_INT_ID_WAKEUP_R,
- .end = AB8500_INT_ID_WAKEUP_R,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "ID_WAKEUP_F",
- .start = AB8500_INT_ID_WAKEUP_F,
- .end = AB8500_INT_ID_WAKEUP_F,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "VBUS_DET_F",
- .start = AB8500_INT_VBUS_DET_F,
- .end = AB8500_INT_VBUS_DET_F,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "VBUS_DET_R",
- .start = AB8500_INT_VBUS_DET_R,
- .end = AB8500_INT_VBUS_DET_R,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "USB_LINK_STATUS",
- .start = AB8500_INT_USB_LINK_STATUS,
- .end = AB8500_INT_USB_LINK_STATUS,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "USB_ADP_PROBE_PLUG",
- .start = AB8500_INT_ADP_PROBE_PLUG,
- .end = AB8500_INT_ADP_PROBE_PLUG,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "USB_ADP_PROBE_UNPLUG",
- .start = AB8500_INT_ADP_PROBE_UNPLUG,
- .end = AB8500_INT_ADP_PROBE_UNPLUG,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct resource __devinitdata ab8500_temp_resources[] = {
- {
- .name = "AB8500_TEMP_WARM",
- .start = AB8500_INT_TEMP_WARM,
- .end = AB8500_INT_TEMP_WARM,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct mfd_cell __devinitdata abx500_common_devs[] = {
-#ifdef CONFIG_DEBUG_FS
- {
- .name = "ab8500-debug",
- .num_resources = ARRAY_SIZE(ab8500_debug_resources),
- .resources = ab8500_debug_resources,
- },
-#endif
- {
- .name = "ab8500-sysctrl",
- },
- {
- .name = "ab8500-regulator",
- },
- {
- .name = "ab8500-gpadc",
- .num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
- .resources = ab8500_gpadc_resources,
- },
- {
- .name = "ab8500-rtc",
- .num_resources = ARRAY_SIZE(ab8500_rtc_resources),
- .resources = ab8500_rtc_resources,
- },
- {
- .name = "ab8500-charger",
- .num_resources = ARRAY_SIZE(ab8500_charger_resources),
- .resources = ab8500_charger_resources,
- },
- {
- .name = "ab8500-btemp",
- .num_resources = ARRAY_SIZE(ab8500_btemp_resources),
- .resources = ab8500_btemp_resources,
- },
- {
- .name = "ab8500-fg",
- .num_resources = ARRAY_SIZE(ab8500_fg_resources),
- .resources = ab8500_fg_resources,
- },
- {
- .name = "ab8500-chargalg",
- .num_resources = ARRAY_SIZE(ab8500_chargalg_resources),
- .resources = ab8500_chargalg_resources,
- },
- {
- .name = "ab8500-acc-det",
- .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
- .resources = ab8500_av_acc_detect_resources,
- },
- {
- .name = "ab8500-codec",
- },
-
- {
- .name = "ab8500-poweron-key",
- .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
- .resources = ab8500_poweronkey_db_resources,
- },
- {
- .name = "ab8500-pwm",
- .id = 1,
- },
- {
- .name = "ab8500-pwm",
- .id = 2,
- },
- {
- .name = "ab8500-pwm",
- .id = 3,
- },
- { .name = "ab8500-leds", },
- {
- .name = "ab8500-denc",
- },
- {
- .name = "ab8500-temp",
- .num_resources = ARRAY_SIZE(ab8500_temp_resources),
- .resources = ab8500_temp_resources,
- },
-};
-
-static struct mfd_cell __devinitdata ab8500_devs[] = {
- {
- .name = "ab8500-gpio",
- .num_resources = ARRAY_SIZE(ab8500_gpio_resources),
- .resources = ab8500_gpio_resources,
- },
- {
- .name = "ab8500-usb",
- .num_resources = ARRAY_SIZE(ab8500_usb_resources),
- .resources = ab8500_usb_resources,
- },
-};
-
-static struct mfd_cell __devinitdata ab9540_devs[] = {
- {
- .name = "ab8500-gpio",
- .num_resources = ARRAY_SIZE(ab9540_gpio_resources),
- .resources = ab9540_gpio_resources,
- },
- {
- .name = "ab9540-usb",
- .num_resources = ARRAY_SIZE(ab8500_usb_resources),
- .resources = ab8500_usb_resources,
- },
-};
-
-static ssize_t show_chip_id(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct ab8500 *ab8500;
-
- ab8500 = dev_get_drvdata(dev);
- return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL);
-}
-
-/*
- * ab8500 has switched off due to (SWITCH_OFF_STATUS):
- * 0x01 Swoff bit programming
- * 0x02 Thermal protection activation
- * 0x04 Vbat lower then BattOk falling threshold
- * 0x08 Watchdog expired
- * 0x10 Non presence of 32kHz clock
- * 0x20 Battery level lower than power on reset threshold
- * 0x40 Power on key 1 pressed longer than 10 seconds
- * 0x80 DB8500 thermal shutdown
- */
-static ssize_t show_switch_off_status(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- int ret;
- u8 value;
- struct ab8500 *ab8500;
-
- ab8500 = dev_get_drvdata(dev);
- ret = get_register_interruptible(ab8500, AB8500_RTC,
- AB8500_SWITCH_OFF_STATUS, &value);
- if (ret < 0)
- return ret;
- return sprintf(buf, "%#x\n", value);
-}
-
-/*
- * ab8500 has turned on due to (TURN_ON_STATUS):
- * 0x01 PORnVbat
- * 0x02 PonKey1dbF
- * 0x04 PonKey2dbF
- * 0x08 RTCAlarm
- * 0x10 MainChDet
- * 0x20 VbusDet
- * 0x40 UsbIDDetect
- * 0x80 Reserved
- */
-static ssize_t show_turn_on_status(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- int ret;
- u8 value;
- struct ab8500 *ab8500;
-
- ab8500 = dev_get_drvdata(dev);
- ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
- AB8500_TURN_ON_STATUS, &value);
- if (ret < 0)
- return ret;
- return sprintf(buf, "%#x\n", value);
-}
-
-static ssize_t show_ab9540_dbbrstn(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct ab8500 *ab8500;
- int ret;
- u8 value;
-
- ab8500 = dev_get_drvdata(dev);
-
- ret = get_register_interruptible(ab8500, AB8500_REGU_CTRL2,
- AB9540_MODEM_CTRL2_REG, &value);
- if (ret < 0)
- return ret;
-
- return sprintf(buf, "%d\n",
- (value & AB9540_MODEM_CTRL2_SWDBBRSTN_BIT) ? 1 : 0);
-}
-
-static ssize_t store_ab9540_dbbrstn(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct ab8500 *ab8500;
- int ret = count;
- int err;
- u8 bitvalues;
-
- ab8500 = dev_get_drvdata(dev);
-
- if (count > 0) {
- switch (buf[0]) {
- case '0':
- bitvalues = 0;
- break;
- case '1':
- bitvalues = AB9540_MODEM_CTRL2_SWDBBRSTN_BIT;
- break;
- default:
- goto exit;
- }
-
- err = mask_and_set_register_interruptible(ab8500,
- AB8500_REGU_CTRL2, AB9540_MODEM_CTRL2_REG,
- AB9540_MODEM_CTRL2_SWDBBRSTN_BIT, bitvalues);
- if (err)
- dev_info(ab8500->dev,
- "Failed to set DBBRSTN %c, err %#x\n",
- buf[0], err);
- }
-
-exit:
- return ret;
-}
-
-static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL);
-static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL);
-static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL);
-static DEVICE_ATTR(dbbrstn, S_IRUGO | S_IWUSR,
- show_ab9540_dbbrstn, store_ab9540_dbbrstn);
-
-static struct attribute *ab8500_sysfs_entries[] = {
- &dev_attr_chip_id.attr,
- &dev_attr_switch_off_status.attr,
- &dev_attr_turn_on_status.attr,
- NULL,
-};
-
-static struct attribute *ab9540_sysfs_entries[] = {
- &dev_attr_chip_id.attr,
- &dev_attr_switch_off_status.attr,
- &dev_attr_turn_on_status.attr,
- &dev_attr_dbbrstn.attr,
- NULL,
-};
-
-static struct attribute_group ab8500_attr_group = {
- .attrs = ab8500_sysfs_entries,
-};
-
-static struct attribute_group ab9540_attr_group = {
- .attrs = ab9540_sysfs_entries,
-};
-
-int __devinit ab8500_init(struct ab8500 *ab8500, enum ab8500_version version)
-{
- struct ab8500_platform_data *plat = dev_get_platdata(ab8500->dev);
- int ret;
- int i;
- u8 value;
-
- if (plat)
- ab8500->irq_base = plat->irq_base;
-
- mutex_init(&ab8500->lock);
- mutex_init(&ab8500->irq_lock);
-
- if (version != AB8500_VERSION_UNDEFINED)
- ab8500->version = version;
- else {
- ret = get_register_interruptible(ab8500, AB8500_MISC,
- AB8500_IC_NAME_REG, &value);
- if (ret < 0)
- return ret;
-
- ab8500->version = value;
- }
-
- ret = get_register_interruptible(ab8500, AB8500_MISC,
- AB8500_REV_REG, &value);
- if (ret < 0)
- return ret;
-
- ab8500->chip_id = value;
-
- dev_info(ab8500->dev, "detected chip, %s rev. %1x.%1x\n",
- ab8500_version_str[ab8500->version],
- ab8500->chip_id >> 4,
- ab8500->chip_id & 0x0F);
-
- /* Configure AB8500 or AB9540 IRQ */
- if (is_ab9540(ab8500) || is_ab8505(ab8500)) {
- ab8500->mask_size = AB9540_NUM_IRQ_REGS;
- ab8500->irq_reg_offset = ab9540_irq_regoffset;
- } else {
- ab8500->mask_size = AB8500_NUM_IRQ_REGS;
- ab8500->irq_reg_offset = ab8500_irq_regoffset;
- }
- ab8500->mask = kzalloc(ab8500->mask_size, GFP_KERNEL);
- if (!ab8500->mask)
- return -ENOMEM;
- ab8500->oldmask = kzalloc(ab8500->mask_size, GFP_KERNEL);
- if (!ab8500->oldmask) {
- ret = -ENOMEM;
- goto out_freemask;
- }
- /*
- * ab8500 has switched off due to (SWITCH_OFF_STATUS):
- * 0x01 Swoff bit programming
- * 0x02 Thermal protection activation
- * 0x04 Vbat lower then BattOk falling threshold
- * 0x08 Watchdog expired
- * 0x10 Non presence of 32kHz clock
- * 0x20 Battery level lower than power on reset threshold
- * 0x40 Power on key 1 pressed longer than 10 seconds
- * 0x80 DB8500 thermal shutdown
- */
-
- ret = get_register_interruptible(ab8500, AB8500_RTC,
- AB8500_SWITCH_OFF_STATUS, &value);
- if (ret < 0)
- return ret;
- dev_info(ab8500->dev, "switch off status: %#x", value);
-
- if (plat && plat->init)
- plat->init(ab8500);
-
- /* Clear and mask all interrupts */
- for (i = 0; i < ab8500->mask_size; i++) {
- /*
- * Interrupt register 12 doesn't exist prior to AB8500 version
- * 2.0
- */
- if (ab8500->irq_reg_offset[i] == 11 &&
- is_ab8500_1p1_or_earlier(ab8500))
- continue;
-
- get_register_interruptible(ab8500, AB8500_INTERRUPT,
- AB8500_IT_LATCH1_REG + ab8500->irq_reg_offset[i],
- &value);
- set_register_interruptible(ab8500, AB8500_INTERRUPT,
- AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i], 0xff);
- }
-
- ret = abx500_register_ops(ab8500->dev, &ab8500_ops);
- if (ret)
- goto out_freeoldmask;
-
- for (i = 0; i < ab8500->mask_size; i++)
- ab8500->mask[i] = ab8500->oldmask[i] = 0xff;
-
- if (ab8500->irq_base) {
- ret = ab8500_irq_init(ab8500);
- if (ret)
- goto out_freeoldmask;
-
- ret = request_threaded_irq(ab8500->irq, NULL, ab8500_irq,
- IRQF_ONESHOT | IRQF_NO_SUSPEND,
- "ab8500", ab8500);
- if (ret)
- goto out_removeirq;
- }
-
- ret = mfd_add_devices(ab8500->dev, 0, abx500_common_devs,
- ARRAY_SIZE(abx500_common_devs), NULL,
- ab8500->irq_base);
-
- if (ret)
- goto out_freeirq;
-
- if (is_ab9540(ab8500))
- ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs,
- ARRAY_SIZE(ab9540_devs), NULL,
- ab8500->irq_base);
- else
- ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs,
- ARRAY_SIZE(ab9540_devs), NULL,
- ab8500->irq_base);
- if (ret)
- goto out_freeirq;
-
- if (is_ab9540(ab8500))
- ret = sysfs_create_group(&ab8500->dev->kobj,
- &ab9540_attr_group);
- else
- ret = sysfs_create_group(&ab8500->dev->kobj,
- &ab8500_attr_group);
- if (ret)
- dev_err(ab8500->dev, "error creating sysfs entries\n");
- else
- return ret;
-
-out_freeirq:
- if (ab8500->irq_base)
- free_irq(ab8500->irq, ab8500);
-out_removeirq:
- if (ab8500->irq_base)
- ab8500_irq_remove(ab8500);
-out_freeoldmask:
- kfree(ab8500->oldmask);
-out_freemask:
- kfree(ab8500->mask);
-
- return ret;
-}
-
-int __devexit ab8500_exit(struct ab8500 *ab8500)
-{
- if (is_ab9540(ab8500))
- sysfs_remove_group(&ab8500->dev->kobj, &ab9540_attr_group);
- else
- sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group);
- mfd_remove_devices(ab8500->dev);
- if (ab8500->irq_base) {
- free_irq(ab8500->irq, ab8500);
- ab8500_irq_remove(ab8500);
- }
- kfree(ab8500->oldmask);
- kfree(ab8500->mask);
-
- return 0;
-}
-
-MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent");
-MODULE_DESCRIPTION("AB8500 MFD core");
-MODULE_LICENSE("GPL v2");
generated by cgit (git 2.34.1) at 2025-03-12 15:45:32 +0000